CN216356137U

CN216356137U - Limiting structure of motor armature

Info

Publication number: CN216356137U
Application number: CN202122814938.5U
Authority: CN
Inventors: 任广福
Original assignee: Zhejiang Xuanfu Technology Co ltd; Zhejiang Geely Holding Group Co Ltd
Current assignee: Zhejiang Xuanfu Technology Co ltd; Zhejiang Geely Holding Group Co Ltd
Priority date: 2021-11-15
Filing date: 2021-11-15
Publication date: 2022-04-19
Anticipated expiration: 2031-11-15

Abstract

The utility model provides a limiting structure of a motor armature, and belongs to the technical field of motors. It has solved the current unstable problem of motor armature after the installation. This motor includes motor casing and armature, and the armature wears to establish in the motor casing, has the tang of spacing armature tip of circumference in the motor casing, and this limit structure includes a plurality of locating parts that distribute on the outer peripheral face of the armature other end, and the locating part uses the armature central line to set up as two bisymmetry at center, and equally divide the both sides of every locating part and do not support and lean on armature outer peripheral face and motor casing inner wall. This design is filled through the locating part and is makeed the tip of armature can not take place to rock between armature and motor casing, and stability is better, and this locating part appears in pairs moreover, and two relative locating parts form fixedly with the relative both sides of armature and the inner wall of motor casing, make the atress of the relative both sides of armature reach the balance, and stability when using is better.

Description

Limiting structure of motor armature

Technical Field

The utility model belongs to the technical field of motors, relates to a limiting structure, and particularly relates to a limiting structure of a motor armature.

Background

The motor generally comprises motor casing and armature, the motor casing has the inner chamber, the armature wears to establish at the inner chamber, the diameter of general inner chamber will be slightly bigger than the diameter of armature, the clearance between inner chamber wall and the armature outer peripheral face is not less than two millimeters, this clearance mainly can let fluid can flow through the heat dissipation from this clearance, the armature generally all is fixed through the bolt is direct with the motor casing, the vibrations that produce when the motor uses are great, because the length of armature is also longer again, so the armature can take place to vibrate when the motor uses, influence the motor and use.

The bottom of the inner cavity at one end of the motor shell is generally provided with a spigot, the outer diameter of the spigot is basically the same as the inner diameter of the end part of the armature, the bottom of the armature is inserted into the spigot to form fixation, and the spigot plays a good role in laterally supporting the end part of the armature. But armature's length is longer, and the interval at its both ends is longer leads to producing great trembling along with the work of motor, and the other end of armature does not carry out fine support and can take place to rock the trembling of aggravation motor, can influence motor work when serious.

Disclosure of Invention

The utility model aims to provide a limit structure of a motor armature, aiming at the problems in the prior art. The motor armature solves the technical problem that an existing motor armature is unstable after being installed.

The purpose of the utility model can be realized by the following technical scheme:

the utility model provides a limit structure of motor armature, this motor includes motor casing and armature, the armature is worn to establish in the motor casing, the tang that has a spacing armature tip of circumference in the motor casing, its characterized in that, this limit structure include the locating part of a plurality of distributions on the outer peripheral face of the armature other end, the locating part uses the armature central line to set up as two bisymmetry in center, and the both sides of every locating part are equallyd divide and are supported respectively on armature outer peripheral face and motor casing inner wall.

The internal diameter in the motor casing is generally all bigger than the internal diameter of armature, the armature wears to carry out circumference spacing by the tang in inserting on the tang in one end in the motor casing, the other end of armature then fixes the armature tip through installing the locating part additional, the locating part inlays to be established between armature outer peripheral face and motor casing inner wall, the both sides face of locating part pastes with the outer peripheral face of armature and the inside wall of motor casing respectively and leans on, this design makes the tip of armature can not take place to rock between armature and motor casing through the locating part packing, stability is better. And this locating part appears in pairs, and two relative locating parts form fixedly with the relative both sides of armature and the inner wall of motor casing, make the atress of the relative both sides of armature reach the balance, and stability when using is better.

In foretell limit structure of motor armature, be equipped with a plurality of two liang of relative groove of stepping down on the motor casing inner wall, the circumference of armature is equipped with a plurality of bellied lugs, the lug correspondence stretches into and steps down the inslot just the locating part all inlays to be established at the lug lateral surface and steps down between the cell wall in groove.

The lug itself is used for forming with the motor shell of tang position and supports and keep out for the armature stretches into the position in the motor shell and obtains confirming, and the lug also is used for and fixes usefulness between the motor shell moreover, and this design sets up the locating part on the lateral surface of lug, has utilized connection structure between armature and the motor shell, and lug department bearing capacity is good, and the embedding that the locating part can be fine moves back and lets the inslot, and stability further obtains promoting.

In the above-mentioned limit structure of the motor armature, the limiting member includes a fixing portion and an arc-shaped convex portion, the fixing portion is fixed on the end portion of the lug through a bolt, and the arc-shaped convex portion is embedded between the lug and the slot wall of the receding slot.

The limiting part comprises a fixing part and an arc-shaped convex part, the fixing part is used for being connected and fixed with a lug on the armature to prevent the position of the limiting part from changing to cause the abnormal movement of the armature when the motor is used, and the limiting part is fixed with the lug through a bolt through the fixing part, so that the stability is further improved. The arc convex part is for the card establish between the lateral wall of the groove wall of letting out and the lug play the effect of filling the clearance between the two, can let this end of armature can not independently rock when the motor uses, and stability is fabulous.

In the above-mentioned limit structure of the motor armature, the outer side surface of the lug is arc-shaped, and the inner side surface of the arc-shaped convex part abuts against the outer side surface of the lug.

The arc convex part is wrapped up on the arc lateral surface of lug, and the design makes locating part and lug cooperation closely form a whole like this, and it can be more stable when the card is gone into to let the inslot support with the cell wall and lean on.

In the above structure for limiting the armature of the motor, the end of the arc-shaped convex part is provided with a guide head with gradually reduced thickness.

The design of guide head makes the arc convex part comparatively easy between motor casing and the armature of card income, and the tip thickness of guide head is minimum relatively stretches into between the two easily, and the tight fit is between the inner wall of the groove of letting go back and the lug lateral surface along with thickness increases gradually, and stability is fabulous.

In the above-mentioned limit structure of the motor armature, the lug is provided with a mounting hole penetrating through the lug, the fixing portion is provided with a positioning hole corresponding to the mounting hole, the fixing portion passes through the positioning hole and the mounting hole through a bolt to fix the fixing portion and the lug, and the lug is also fixed with the motor casing through the bolt.

The locating part of this design directly installs additional on the lug on the fixing bolt of motor casing, need not carry out redesign installation position to original motor casing and armature, and the installation is also very convenient moreover, and direct cover is fixed can on the bolt.

Compared with the prior art, the product has the advantages that:

1. this design inlays through the locating part and establishes between armature and motor casing and make the tip of armature can not take place to rock, and stability is better, and this locating part appears in pairs moreover, and two relative locating parts form fixedly with the relative both sides of armature and the inner wall of motor casing, make the atress of the relative both sides of armature reach the balance, and stability when using is better.

2. The arc convex part is wrapped up on the arc lateral surface of lug, and the design makes locating part and lug cooperation closely form a whole like this, and it can be more stable when the card is gone into to let the inslot support with the cell wall and lean on.

3. The locating part of this design directly installs additional on the lug because the fixing bolt of motor casing, need not carry out redesign installation position to original motor casing and armature, and the installation is also very convenient moreover, and direct cover is fixed can on the bolt.

Drawings

FIG. 1 is a schematic view in half section of the present invention;

FIG. 2 is a top view of the present invention;

FIG. 3 is a half sectional view of the present invention at A;

fig. 4 is a detail view of the stopper of the present invention.

In the figure, 1, a motor casing; 11. stopping the opening; 12. a receding groove; 2. an armature; 21. a lug; 22. mounting holes; 3. a limiting member; 31. a fixed part; 32. an arc-shaped convex part; 33. a guide head; 34. positioning holes; 4. and (4) bolts.

Detailed Description

The following are specific embodiments of the present invention and are further described with reference to the drawings, but the present invention is not limited to these embodiments.

As shown in fig. 1-4 a limit structure of motor armature, this motor includes motor casing 1 and armature 2, motor casing 1 has the inner chamber, armature 2 wears to establish in the inner chamber of motor casing 1, one end at the inner chamber of motor casing 1 is equipped with tang 11, tang 11 is the annular arch in the motor casing bottom, the internal diameter of motor casing 1 of itself is slightly greater than armature 2's external diameter, armature 2 directly stretches into in the motor casing 1 and inserts and make its end fixing unable the rocking in tang 11 department, and armature 2's circumference is equipped with a plurality of evenly distributed's lug 21, offer the groove of relinquishing 12 that corresponds with lug 21 on motor casing 1, the lateral part of lug 21 can support to lean on the bottom cell wall of groove of relinquishing 12. Because armature 2 installation and cooperation problem, all have certain clearance between armature 2 and the motor casing 1, the clearance is for being greater than 2 millimeters generally, and armature 2 has certain length again itself, and its one end is spacing by tang 11, and its other end can also take place to rock because of the existence in clearance when the motor produces and rocks. Therefore, the limiting structure is additionally arranged in the circumferential direction of the other end of the armature 2 and comprises a plurality of limiting parts 3 distributed on the outer circumferential surface of the other end of the armature 2, the limiting parts 3 are symmetrically arranged in pairs by taking the central line of the armature 2 as the center, and two sides of each limiting part 3 are uniformly abutted against the outer circumferential surface of the armature 2 and the inner wall of the motor shell 1. The other end of the armature 2 is fixed by additionally installing a limiting piece 3, the limiting piece 3 is embedded between the outer peripheral surface of the armature 2 and the inner wall of the motor casing 1, two side surfaces of the limiting piece 3 are respectively attached to the outer peripheral surface of the armature 2 and the inner side wall of the motor casing 1, and the limiting piece 3 is filled between the armature 2 and the motor casing 1 to ensure that the end part of the armature 2 cannot shake and the stability is better. And this locating part 3 appears in pairs, and two relative locating parts 3 form fixedly with the relative both sides of armature 2 and the inner wall of motor casing 1, make the atress of the relative both sides of armature 2 reach the equilibrium, and stability when using is better.

The receding groove 12 is provided with four pairs of two-to-one arrangement, the lug 21 is also provided with four pairs of two-to-one arrangement, and a limiting part 3 is embedded between each lug 21 and the receding groove 12. Lug 21 itself and the bottom surface of letting groove 12 department form and resist for armature 2 stretches into the internal position of motor casing 1 and obtains confirming, and lug 21 also be used for and motor casing 1 between go on fixing usefulness moreover, this design sets up locating part 3 on the lateral surface of lug 21, has utilized connection structure between armature 2 and the motor casing 1, and lug 21 department bearing capacity is good, and the embedding that locating part 3 can be fine is let the inslot 12 back, and stability further obtains promoting.

The stopper 3 includes a fixing portion 31 and an arc-shaped protrusion 32, the fixing portion 31 is fixed on the end of the lug 21 by the bolt 4, and the arc-shaped protrusion 32 is inserted between the lug 21 and the wall of the escape slot 12. The limiting member 3 comprises a fixing portion 31 and an arc-shaped convex portion 32, the fixing portion 31 is used for being connected and fixed with the lug 21 on the armature 2 to prevent the armature 2 from abnormal movement caused by the change of the position of the limiting member 3 when the motor is used, and the limiting member 3 is fixed with the lug 21 through a bolt 4 through the fixing portion 31, so that the stability is further improved. The arc-shaped convex part 32 is clamped between the groove wall of the receding groove 12 and the outer side wall of the lug 21 to fill the gap between the receding groove and the lug, so that the end of the armature 2 can not automatically shake when the motor is used, and the stability is excellent. The outer side surface of the lug 21 is in the shape of a circular arc, and the inner side surface of the arc-shaped convex part 32 is abutted against the outer side surface of the lug 21. The arc-shaped convex part 32 is wrapped on the arc-shaped outer side surface of the lug 21, so that the limiting part 3 and the lug 21 are tightly matched to form a whole, and the clamping in the yielding groove 12 can be more stable when being abutted against the groove wall. The end of the arcuate projection 32 is provided with a guide head 33 of gradually decreasing thickness. The design of the guide head 33 enables the arc-shaped convex part 32 to be clamped between the motor shell 1 and the armature 2 easily, the end part of the guide head 33 with the minimum thickness can extend into the space between the guide head and the armature easily, and the guide head is tightly matched between the inner wall of the yielding groove 12 and the outer side surface of the lug 21 along with the gradual increase of the thickness, so that the stability is excellent.

The lug 21 is provided with a mounting hole 22 penetrating through the lug 21, the fixing portion 31 is provided with a positioning hole 34 corresponding to the mounting hole 22, the fixing portion 31 passes through the positioning hole 34 and the mounting hole 22 through the bolt 4 to fix the fixing portion 31 and the lug 21, and the lug 21 is also fixed with the motor casing 1 through the bolt 4. The locating part 3 of this design directly installs additional on lug 21 in the fixing bolt 4 of motor casing 1, need not carry out redesign installation position to original motor casing 1 and armature 2, and it is also very convenient to install moreover, and direct cover is fixed can on bolt 4.

The specific embodiments described herein are merely illustrative of the spirit of the utility model. Various modifications or additions may be made to the described embodiments or alternatives may be employed by those skilled in the art without departing from the spirit or ambit of the utility model as defined in the appended claims.

Claims

1. The utility model provides a limit structure of motor armature, this motor includes motor casing (1) and armature (2), armature (2) are worn to establish in motor casing (1), tang (11) that have spacing armature (2) a tip of circumference in motor casing (1), its characterized in that, this limit structure include locating part (3) of a plurality of distributions on the outer peripheral face of the armature (2) other end, locating part (3) use armature (2) central line to set up as two bisymmetry at center, and the both sides of every locating part (3) are equallyd divide and are supported respectively on armature (2) outer peripheral face and motor casing (1) internal wall.

2. The limit structure of the motor armature according to claim 1, wherein the motor casing (1) has a plurality of two opposite receding grooves (12) on the inner wall thereof, the armature (2) has a plurality of protruding lugs (21) in the circumferential direction thereof, the lugs (21) correspondingly extend into the receding grooves (12), and the limiting members (3) are embedded between the outer side surfaces of the lugs (21) and the groove walls of the receding grooves (12).

3. The limit structure of an armature of an electric motor according to claim 2, wherein the limit member (3) comprises a fixing portion (31) and an arc-shaped protrusion (32), the fixing portion (31) is fixed on the end of the lug (21) by a bolt (4) and the arc-shaped protrusion (32) is embedded between the lug (21) and the wall of the relief groove (12).

4. A position limiting structure of an armature of an electric motor according to claim 3, wherein the outer side surface of the lug (21) is in the shape of a circular arc, and the inner side surface of the arc-shaped convex part (32) abuts against the outer side surface of the lug (21).

5. A limit stop structure of an electric motor armature according to claim 4, characterized in that the end of the arc-shaped convex part (32) is provided with a guide head (33) with gradually reduced thickness.

6. The limit structure of the armature of the motor according to claim 3, 4 or 5, wherein the lug (21) is provided with a mounting hole (22) penetrating through the lug (21), the fixing portion (31) is provided with a positioning hole (34) corresponding to the mounting hole (22), the fixing portion (31) passes through the positioning hole (34) and the mounting hole (22) through a bolt (4) to fix the fixing portion (31) and the lug (21), and the lug (21) is also fixed with the motor casing (1) through the bolt (4).